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scsi: zfcp: Add __must_hold() attribute to zfcp_qdio_sbal_get()

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Add __must_hold() attribute to zfcp_qdio_sbal_get() in order to let
clang's context analysis know that qdio->req_q_wq must be held on
function entry. This is also documented above the function. Without this
annotation this leads to a valid warning when context analysis is
enabled:

drivers/s390/scsi/zfcp_qdio.c:287:8: warning:
  expecting spinlock '->req_q_lock' to be held at start of each loop [-Wthread-safety-analysis]
  287 |         ret = wait_event_interruptible_lock_irq_timeout(qdio->req_q_wq,
      |               ^

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://patch.msgid.link/20260806134759.2122369-2-hca@linux.ibm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
This commit is contained in:
Heiko Carstens 2026-08-06 15:47:58 +02:00 • committed by Martin K. Petersen (Oracle)
commit ea598cfa56
2 changed files with 3 additions and 1 deletions
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